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Is the engine noisy?Global trade certification services Learn these methods to relieve it! When the car engine starts to rattle, it is definitely a very troublesome thing.This noise not only affects the driving comfort of passengers, but also may be a manifestation of some problems with the engine. By learning some ways to reduce engine noise, we can help us better understand the engine and ensure our driving experience. The first step: Determine the source of engine noise. Before starting to reduce engine noise, we must first confirm the real cause of the noise. Usually, engine noise can be divided into two types: mechanical noise and gas noise. Mechanical noise comes from friction and vibration during mechanical operation inside the engine, such as friction and resonance between crankshafts, connecting rods, swing arms and other parts; gas noise is caused by abnormal operation of the intake and exhaust systems, such as air leakage, pipeline blockage, poor airflow, etc. Step 2: Regular maintenanceVehicle mechanical noise is usually caused by problems with coolant, lubricating oil, parts wear, etc. Therefore, regular vehicle maintenance may be one of the simplest and most effective ways to reduce engine noise. Before driving, check the level of engine oil and water, especially when parking for a long time or operating vehicles at extreme temperatures. If the oil pressure and level are lower than the standard value, it may increase the friction of the engine and cause noise. In addition, timely replacement of other maintenance parts, such as brake pads, brake discs, tires and suspension systems, will also help reduce mechanical noise. Step 3: The gas noise of the clean exhaust and intake systems is caused by the abnormal operation of the intake and exhaust systems. Therefore, it is very important to ensure that the two systems are always open. Because blockage or air leakage is the main cause of gas noise.Regular cleaning of intake ducts and air filters can effectively reduce blockages; using good quality gasoline, there should also be a clean oil-gas separator in the car; manufacturers recommend regular cleaning of the exhaust system to prevent noise caused by different exhaust flow rates. Moreover, some users who modify themselves need to correctly install the exhaust pipe, and tools such as anti-theft chain vehicles and anti-theft iron ring car orientation can better protect the engine. Step 4: Use soundproofing materials. If none of the above methods works, then using soundproofing materials may also be an effective solution. For example, heavy materials are added to the lining of the engine hood of the vehicle, or soundproof foam is added to the door panel in the passenger compartment. These soundproofing materials can suppress noise and improve ride comfort. In a word, the engine noise is likely to be caused by vehicle failure, lack of maintenance or incorrect operation.Therefore, regular maintenance of the vehicle, cleaning of exhaust and intake systems, and the use of soundproofing materials can solve the noise problem, but also protect the engine.

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